Tim Kauffman
In about five years, more than 10,000 Marines and their families will move from Okinawa, Japan, to Guam on what promises to be the greenest military base in the world. The Guam construction is one of dozens of high-profile projects being undertaken by the Navy in a concerted effort to cut energy use and decrease consumption of oil and other fossil fuels by harnessing solar power, wind energy and even ocean temperatures.